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Finding the Fourth Proportional to 136,100.64, 204,161.28 and 36,260.48

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Solution

The fourth proportional to 136,100.64, 204,161.28 and 36,260.48 is: 54,393.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,100.64 : 204,161.28 = 36,260.48 : x
  2. Step 2: Convert to fraction form
    136,100.64/204,161.28 = 36,260.48/x
  3. Step 3: Cross multiply
    136,100.64x = 204,161.28 × 36,260.48
  4. Step 4: Simplify right side
    136,100.64x = 7,402,986,010.21
  5. Step 5: Solve for x
    x = 7,402,986,010.21/136,100.64
  6. Step 6: Final answer
    x = 54,393.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.